1328340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 4058208

約数和(自身を除く): 2729868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 131, 156, 169, 195, 260, 262, 338, 390, 393, 507, 524, 655, 676, 780, 786, 845, 1014, 1310, 1572, 1690, 1703, 1965, 2028, 2535, 2620, 3380, 3406, 3930, 5070, 5109, 6812, 7860, 8515, 10140, 10218, 17030, 20436, 22139, 25545, 34060, 44278, 51090, 66417, 88556, 102180, 110695, 132834, 221390, 265668, 332085, 442780, 664170, 1328340]

約数ペア:

[(1, 1328340), (2, 664170), (3, 442780), (4, 332085), (5, 265668), (6, 221390), (10, 132834), (12, 110695), (13, 102180), (15, 88556), (20, 66417), (26, 51090), (30, 44278), (39, 34060), (52, 25545), (60, 22139), (65, 20436), (78, 17030), (130, 10218), (131, 10140), (156, 8515), (169, 7860), (195, 6812), (260, 5109), (262, 5070), (338, 3930), (390, 3406), (393, 3380), (507, 2620), (524, 2535), (655, 2028), (676, 1965), (780, 1703), (786, 1690), (845, 1572), (1014, 1310)]